Results 71 to 80 of about 61,296 (269)

Folding, misfolding, and regulation of intracellular traffic of G protein‐coupled receptors involved in the hypothalamic–pituitary–gonadal axis

open access: yesAndrology, EarlyView.
Abstract Background G protein‐coupled receptors are a large and functionally diverse family of membrane receptors involved in a number of biological processes. Like other proteins, G protein‐coupled receptors need to be properly folded in order to traffic to the plasma membrane and interact with agonist.
Alfredo Ulloa‐Aguirre   +5 more
wiley   +1 more source

Engineering a minimal G protein to facilitate crystallisation of G protein-coupled receptors in their active conformation [PDF]

open access: yes, 2016
G protein-coupled receptors (GPCRs) modulate cytoplasmic signalling in response to extracellular stimuli, and are important therapeutic targets in a wide range of diseases.
Carpenter, Byron, Tate, Christopher G.
core   +1 more source

Compartmentalisation in cAMP signalling: A phase separation perspective

open access: yesBritish Journal of Pharmacology, EarlyView.
Cells rely on precise spatiotemporal control of signalling pathways to ensure functional specificity. The compartmentalisation of cyclic AMP (cAMP) and protein kinase A (PKA) signalling enables distinct cellular responses within a crowded cytoplasmic space.
Milda Folkmanaite, Manuela Zaccolo
wiley   +1 more source

A survey of conformational and energetic changes in G protein signaling

open access: yesAIMS Biophysics, 2015
Cell signaling is a fundamental process for all living organisms. G protein-coupled receptors (GPCRs) are a large and diverse group of transmembrane receptors which convert extracellular signals into intracellular responses primarily via coupling to ...
Alyssa D. Lokits   +5 more
doaj   +1 more source

Assembly and Trafficking of Heterotrimeric G Proteins [PDF]

open access: yesBiochemistry, 2007
To be activated by cell surface G protein-coupled receptors, heterotrimeric G proteins must localize at the cytoplasmic surface of plasma membranes. Moreover, some G protein subunits are able to traffic reversibly from the plasma membrane to intracellular locations upon activation.
Yannick, Marrari   +3 more
openaire   +2 more sources

The potential for biased signalling in the P2Y receptor family of GPCRs

open access: yesBritish Journal of Pharmacology, EarlyView.
The purinergic receptor family is primarily activated by nucleotides, and contains members of both the G protein coupled‐receptor (GPCR) superfamily (P1 and P2Y) and ligand‐gated ion channels (P2X). The P2Y receptors are widely expressed in the human body, and given the ubiquitous nature of nucleotides, purinergic signalling is involved with a plethora
Claudia M. Sisk   +2 more
wiley   +1 more source

Thrombin Protease-activated Receptor-1 Signals through Gq- and G13-initiated MAPK Cascades Regulating c-Jun Expression to Induce Cell Transformation [PDF]

open access: yes, 2003
Although the ability of G protein-coupled receptors to stimulate normal and aberrant cell growth has been intensely investigated, the precise nature of the molecular mechanisms underlying their transforming potential are still not fully understood.
Gutkind, J. Silvio   +4 more
core   +1 more source

Sodium butyrate ameliorates renal tubular lipid accumulation through a protein phosphatase 2A/transcription factor EB axis in diabetic nephropathy

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and Purpose Extensive evidence indicates that lipid accumulation causes renal tubular injury, which further contributes to diabetic nephropathy (DN) progression. Short‐chain fatty acids (SCFAs) play an important role in the maintenance of cellular metabolic health.
Jiayin Tao   +12 more
wiley   +1 more source

Dynamic regulation of GDP binding to G proteins revealed by magnetic field-dependent NMR relaxation analyses

open access: yesNature Communications, 2017
Heterotrimeric guanine-nucleotide-binding proteins (G proteins) act as molecular switches. Here the authors use NMR relaxation analyses, which reveal the dynamics of G protein alpha subunit binding to GDP on a microsecond timescale.
Yuki Toyama   +5 more
doaj   +1 more source

Measuring ligand efficacy at the mu-opioid receptor using a conformational biosensor. [PDF]

open access: yes, 2018
The intrinsic efficacy of orthosteric ligands acting at G-protein-coupled receptors (GPCRs) reflects their ability to stabilize active receptor states (R*) and is a major determinant of their physiological effects.
Livingston, Kathryn E   +4 more
core  

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